Home / 4,175.79-5,762.64-2,407.40

Finding the Fourth Proportional to 4,175.79, 5,762.64 and 2,407.40

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Solution

The fourth proportional to 4,175.79, 5,762.64 and 2,407.40 is: 3,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,175.79 : 5,762.64 = 2,407.40 : x
  2. Step 2: Convert to fraction form
    4,175.79/5,762.64 = 2,407.40/x
  3. Step 3: Cross multiply
    4,175.79x = 5,762.64 × 2,407.40
  4. Step 4: Simplify right side
    4,175.79x = 13,872,967.50
  5. Step 5: Solve for x
    x = 13,872,967.50/4,175.79
  6. Step 6: Final answer
    x = 3,322.24

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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.