Home / 6,117.60-8,437.59-4,125

Finding the Fourth Proportional to 6,117.60, 8,437.59 and 4,125

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Solution

The fourth proportional to 6,117.60, 8,437.59 and 4,125 is: 5,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.60 : 8,437.59 = 4,125 : x
  2. Step 2: Convert to fraction form
    6,117.60/8,437.59 = 4,125/x
  3. Step 3: Cross multiply
    6,117.60x = 8,437.59 × 4,125
  4. Step 4: Simplify right side
    6,117.60x = 34,805,058.75
  5. Step 5: Solve for x
    x = 34,805,058.75/6,117.60
  6. Step 6: Final answer
    x = 5,689.33

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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.