Home / 4,842.05-7,264.28-1,555.47

Finding the Fourth Proportional to 4,842.05, 7,264.28 and 1,555.47

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Solution

The fourth proportional to 4,842.05, 7,264.28 and 1,555.47 is: 2,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,842.05 : 7,264.28 = 1,555.47 : x
  2. Step 2: Convert to fraction form
    4,842.05/7,264.28 = 1,555.47/x
  3. Step 3: Cross multiply
    4,842.05x = 7,264.28 × 1,555.47
  4. Step 4: Simplify right side
    4,842.05x = 11,299,373.50
  5. Step 5: Solve for x
    x = 11,299,373.50/4,842.05
  6. Step 6: Final answer
    x = 2,333.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.