Home / 6,147.95-8,487.66-4,058.15

Finding the Fourth Proportional to 6,147.95, 8,487.66 and 4,058.15

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Solution

The fourth proportional to 6,147.95, 8,487.66 and 4,058.15 is: 5,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,147.95 : 8,487.66 = 4,058.15 : x
  2. Step 2: Convert to fraction form
    6,147.95/8,487.66 = 4,058.15/x
  3. Step 3: Cross multiply
    6,147.95x = 8,487.66 × 4,058.15
  4. Step 4: Simplify right side
    6,147.95x = 34,444,154.99
  5. Step 5: Solve for x
    x = 34,444,154.99/6,147.95
  6. Step 6: Final answer
    x = 5,602.55

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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.