Home / 7,298.80-10,066.68-4,778.08

Finding the Fourth Proportional to 7,298.80, 10,066.68 and 4,778.08

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Solution

The fourth proportional to 7,298.80, 10,066.68 and 4,778.08 is: 6,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.80 : 10,066.68 = 4,778.08 : x
  2. Step 2: Convert to fraction form
    7,298.80/10,066.68 = 4,778.08/x
  3. Step 3: Cross multiply
    7,298.80x = 10,066.68 × 4,778.08
  4. Step 4: Simplify right side
    7,298.80x = 48,099,402.37
  5. Step 5: Solve for x
    x = 48,099,402.37/7,298.80
  6. Step 6: Final answer
    x = 6,590.04

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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.