Home / 7,610.72-10,501.38-4,253.40

Finding the Fourth Proportional to 7,610.72, 10,501.38 and 4,253.40

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Solution

The fourth proportional to 7,610.72, 10,501.38 and 4,253.40 is: 5,868.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.72 : 10,501.38 = 4,253.40 : x
  2. Step 2: Convert to fraction form
    7,610.72/10,501.38 = 4,253.40/x
  3. Step 3: Cross multiply
    7,610.72x = 10,501.38 × 4,253.40
  4. Step 4: Simplify right side
    7,610.72x = 44,666,569.69
  5. Step 5: Solve for x
    x = 44,666,569.69/7,610.72
  6. Step 6: Final answer
    x = 5,868.91

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Half scale
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Double scale
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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.