Home / 7,031.32-9,703.46-4,048.12

Finding the Fourth Proportional to 7,031.32, 9,703.46 and 4,048.12

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Solution

The fourth proportional to 7,031.32, 9,703.46 and 4,048.12 is: 5,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.32 : 9,703.46 = 4,048.12 : x
  2. Step 2: Convert to fraction form
    7,031.32/9,703.46 = 4,048.12/x
  3. Step 3: Cross multiply
    7,031.32x = 9,703.46 × 4,048.12
  4. Step 4: Simplify right side
    7,031.32x = 39,280,770.50
  5. Step 5: Solve for x
    x = 39,280,770.50/7,031.32
  6. Step 6: Final answer
    x = 5,586.54

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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.