Home / 7,215.28-9,952.07-4,564.45

Finding the Fourth Proportional to 7,215.28, 9,952.07 and 4,564.45

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Solution

The fourth proportional to 7,215.28, 9,952.07 and 4,564.45 is: 6,295.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215.28 : 9,952.07 = 4,564.45 : x
  2. Step 2: Convert to fraction form
    7,215.28/9,952.07 = 4,564.45/x
  3. Step 3: Cross multiply
    7,215.28x = 9,952.07 × 4,564.45
  4. Step 4: Simplify right side
    7,215.28x = 45,425,715.53
  5. Step 5: Solve for x
    x = 45,425,715.53/7,215.28
  6. Step 6: Final answer
    x = 6,295.77

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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.