Home / 4,948.30-7,459.88-4,680.39

Finding the Fourth Proportional to 4,948.30, 7,459.88 and 4,680.39

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Solution

The fourth proportional to 4,948.30, 7,459.88 and 4,680.39 is: 7,055.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.30 : 7,459.88 = 4,680.39 : x
  2. Step 2: Convert to fraction form
    4,948.30/7,459.88 = 4,680.39/x
  3. Step 3: Cross multiply
    4,948.30x = 7,459.88 × 4,680.39
  4. Step 4: Simplify right side
    4,948.30x = 34,915,159.45
  5. Step 5: Solve for x
    x = 34,915,159.45/4,948.30
  6. Step 6: Final answer
    x = 7,055.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.