Home / 2,586.10-3,568.80-1,407.19

Finding the Fourth Proportional to 2,586.10, 3,568.80 and 1,407.19

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Solution

The fourth proportional to 2,586.10, 3,568.80 and 1,407.19 is: 1,941.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586.10 : 3,568.80 = 1,407.19 : x
  2. Step 2: Convert to fraction form
    2,586.10/3,568.80 = 1,407.19/x
  3. Step 3: Cross multiply
    2,586.10x = 3,568.80 × 1,407.19
  4. Step 4: Simplify right side
    2,586.10x = 5,021,979.67
  5. Step 5: Solve for x
    x = 5,021,979.67/2,586.10
  6. Step 6: Final answer
    x = 1,941.91

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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.