Home / 4,130.10-5,700.16-2,639.01

Finding the Fourth Proportional to 4,130.10, 5,700.16 and 2,639.01

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Solution

The fourth proportional to 4,130.10, 5,700.16 and 2,639.01 is: 3,642.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.10 : 5,700.16 = 2,639.01 : x
  2. Step 2: Convert to fraction form
    4,130.10/5,700.16 = 2,639.01/x
  3. Step 3: Cross multiply
    4,130.10x = 5,700.16 × 2,639.01
  4. Step 4: Simplify right side
    4,130.10x = 15,042,779.24
  5. Step 5: Solve for x
    x = 15,042,779.24/4,130.10
  6. Step 6: Final answer
    x = 3,642.23

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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.