Home / 3,000.76-4,501.24-1,054.32

Finding the Fourth Proportional to 3,000.76, 4,501.24 and 1,054.32

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Solution

The fourth proportional to 3,000.76, 4,501.24 and 1,054.32 is: 1,581.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.76 : 4,501.24 = 1,054.32 : x
  2. Step 2: Convert to fraction form
    3,000.76/4,501.24 = 1,054.32/x
  3. Step 3: Cross multiply
    3,000.76x = 4,501.24 × 1,054.32
  4. Step 4: Simplify right side
    3,000.76x = 4,745,747.36
  5. Step 5: Solve for x
    x = 4,745,747.36/3,000.76
  6. Step 6: Final answer
    x = 1,581.52

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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.