Home / 7,542.18-10,407.49-4,355.23

Finding the Fourth Proportional to 7,542.18, 10,407.49 and 4,355.23

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Solution

The fourth proportional to 7,542.18, 10,407.49 and 4,355.23 is: 6,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.18 : 10,407.49 = 4,355.23 : x
  2. Step 2: Convert to fraction form
    7,542.18/10,407.49 = 4,355.23/x
  3. Step 3: Cross multiply
    7,542.18x = 10,407.49 × 4,355.23
  4. Step 4: Simplify right side
    7,542.18x = 45,326,990.90
  5. Step 5: Solve for x
    x = 45,326,990.90/7,542.18
  6. Step 6: Final answer
    x = 6,009.80

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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.