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Finding the Fourth Proportional to 5,703.04, 7,870.20 and 3,313.48

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Solution

The fourth proportional to 5,703.04, 7,870.20 and 3,313.48 is: 4,572.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,703.04 : 7,870.20 = 3,313.48 : x
  2. Step 2: Convert to fraction form
    5,703.04/7,870.20 = 3,313.48/x
  3. Step 3: Cross multiply
    5,703.04x = 7,870.20 × 3,313.48
  4. Step 4: Simplify right side
    5,703.04x = 26,077,750.30
  5. Step 5: Solve for x
    x = 26,077,750.30/5,703.04
  6. Step 6: Final answer
    x = 4,572.61

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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.