Home / 7,237.25-9,988.29-4,253.36

Finding the Fourth Proportional to 7,237.25, 9,988.29 and 4,253.36

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Solution

The fourth proportional to 7,237.25, 9,988.29 and 4,253.36 is: 5,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.25 : 9,988.29 = 4,253.36 : x
  2. Step 2: Convert to fraction form
    7,237.25/9,988.29 = 4,253.36/x
  3. Step 3: Cross multiply
    7,237.25x = 9,988.29 × 4,253.36
  4. Step 4: Simplify right side
    7,237.25x = 42,483,787.43
  5. Step 5: Solve for x
    x = 42,483,787.43/7,237.25
  6. Step 6: Final answer
    x = 5,870.16

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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.