Home / 3,445.18-4,754.04-1,953.16

Finding the Fourth Proportional to 3,445.18, 4,754.04 and 1,953.16

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Solution

The fourth proportional to 3,445.18, 4,754.04 and 1,953.16 is: 2,695.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445.18 : 4,754.04 = 1,953.16 : x
  2. Step 2: Convert to fraction form
    3,445.18/4,754.04 = 1,953.16/x
  3. Step 3: Cross multiply
    3,445.18x = 4,754.04 × 1,953.16
  4. Step 4: Simplify right side
    3,445.18x = 9,285,400.77
  5. Step 5: Solve for x
    x = 9,285,400.77/3,445.18
  6. Step 6: Final answer
    x = 2,695.19

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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.