Home / 4,948.83-6,830.19-3,061.40

Finding the Fourth Proportional to 4,948.83, 6,830.19 and 3,061.40

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Solution

The fourth proportional to 4,948.83, 6,830.19 and 3,061.40 is: 4,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.83 : 6,830.19 = 3,061.40 : x
  2. Step 2: Convert to fraction form
    4,948.83/6,830.19 = 3,061.40/x
  3. Step 3: Cross multiply
    4,948.83x = 6,830.19 × 3,061.40
  4. Step 4: Simplify right side
    4,948.83x = 20,909,909.52
  5. Step 5: Solve for x
    x = 20,909,909.52/4,948.83
  6. Step 6: Final answer
    x = 4,225.22

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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.