Home / 7,176.39-9,901.42-4,032.51

Finding the Fourth Proportional to 7,176.39, 9,901.42 and 4,032.51

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Solution

The fourth proportional to 7,176.39, 9,901.42 and 4,032.51 is: 5,563.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.39 : 9,901.42 = 4,032.51 : x
  2. Step 2: Convert to fraction form
    7,176.39/9,901.42 = 4,032.51/x
  3. Step 3: Cross multiply
    7,176.39x = 9,901.42 × 4,032.51
  4. Step 4: Simplify right side
    7,176.39x = 39,927,575.16
  5. Step 5: Solve for x
    x = 39,927,575.16/7,176.39
  6. Step 6: Final answer
    x = 5,563.74

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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.