Home / 7,362.31-10,153.03-5,681.07

Finding the Fourth Proportional to 7,362.31, 10,153.03 and 5,681.07

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Solution

The fourth proportional to 7,362.31, 10,153.03 and 5,681.07 is: 7,834.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,362.31 : 10,153.03 = 5,681.07 : x
  2. Step 2: Convert to fraction form
    7,362.31/10,153.03 = 5,681.07/x
  3. Step 3: Cross multiply
    7,362.31x = 10,153.03 × 5,681.07
  4. Step 4: Simplify right side
    7,362.31x = 57,680,074.14
  5. Step 5: Solve for x
    x = 57,680,074.14/7,362.31
  6. Step 6: Final answer
    x = 7,834.51

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.