Home / 2,355.10-3,250.08-1,360.42

Finding the Fourth Proportional to 2,355.10, 3,250.08 and 1,360.42

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Solution

The fourth proportional to 2,355.10, 3,250.08 and 1,360.42 is: 1,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,355.10 : 3,250.08 = 1,360.42 : x
  2. Step 2: Convert to fraction form
    2,355.10/3,250.08 = 1,360.42/x
  3. Step 3: Cross multiply
    2,355.10x = 3,250.08 × 1,360.42
  4. Step 4: Simplify right side
    2,355.10x = 4,421,473.83
  5. Step 5: Solve for x
    x = 4,421,473.83/2,355.10
  6. Step 6: Final answer
    x = 1,877.40

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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.