Home / 7,341.84-10,129.19-4,788.45

Finding the Fourth Proportional to 7,341.84, 10,129.19 and 4,788.45

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Solution

The fourth proportional to 7,341.84, 10,129.19 and 4,788.45 is: 6,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.84 : 10,129.19 = 4,788.45 : x
  2. Step 2: Convert to fraction form
    7,341.84/10,129.19 = 4,788.45/x
  3. Step 3: Cross multiply
    7,341.84x = 10,129.19 × 4,788.45
  4. Step 4: Simplify right side
    7,341.84x = 48,503,095.91
  5. Step 5: Solve for x
    x = 48,503,095.91/7,341.84
  6. Step 6: Final answer
    x = 6,606.40

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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.