Home / 4,328.90-5,973.53-2,440.78

Finding the Fourth Proportional to 4,328.90, 5,973.53 and 2,440.78

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Solution

The fourth proportional to 4,328.90, 5,973.53 and 2,440.78 is: 3,368.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,328.90 : 5,973.53 = 2,440.78 : x
  2. Step 2: Convert to fraction form
    4,328.90/5,973.53 = 2,440.78/x
  3. Step 3: Cross multiply
    4,328.90x = 5,973.53 × 2,440.78
  4. Step 4: Simplify right side
    4,328.90x = 14,580,072.55
  5. Step 5: Solve for x
    x = 14,580,072.55/4,328.90
  6. Step 6: Final answer
    x = 3,368.08

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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.