Home / 3,988.14-5,503.59-2,416.74

Finding the Fourth Proportional to 3,988.14, 5,503.59 and 2,416.74

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Solution

The fourth proportional to 3,988.14, 5,503.59 and 2,416.74 is: 3,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.14 : 5,503.59 = 2,416.74 : x
  2. Step 2: Convert to fraction form
    3,988.14/5,503.59 = 2,416.74/x
  3. Step 3: Cross multiply
    3,988.14x = 5,503.59 × 2,416.74
  4. Step 4: Simplify right side
    3,988.14x = 13,300,746.10
  5. Step 5: Solve for x
    x = 13,300,746.10/3,988.14
  6. Step 6: Final answer
    x = 3,335.08

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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.