Home / 7,374.29-10,177.38-4,390.10

Finding the Fourth Proportional to 7,374.29, 10,177.38 and 4,390.10

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Solution

The fourth proportional to 7,374.29, 10,177.38 and 4,390.10 is: 6,058.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,374.29 : 10,177.38 = 4,390.10 : x
  2. Step 2: Convert to fraction form
    7,374.29/10,177.38 = 4,390.10/x
  3. Step 3: Cross multiply
    7,374.29x = 10,177.38 × 4,390.10
  4. Step 4: Simplify right side
    7,374.29x = 44,679,703.22
  5. Step 5: Solve for x
    x = 44,679,703.22/7,374.29
  6. Step 6: Final answer
    x = 6,058.85

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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.