Home / 2,402.64-3,317.52-1,880.16

Finding the Fourth Proportional to 2,402.64, 3,317.52 and 1,880.16

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Solution

The fourth proportional to 2,402.64, 3,317.52 and 1,880.16 is: 2,596.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.64 : 3,317.52 = 1,880.16 : x
  2. Step 2: Convert to fraction form
    2,402.64/3,317.52 = 1,880.16/x
  3. Step 3: Cross multiply
    2,402.64x = 3,317.52 × 1,880.16
  4. Step 4: Simplify right side
    2,402.64x = 6,237,468.40
  5. Step 5: Solve for x
    x = 6,237,468.40/2,402.64
  6. Step 6: Final answer
    x = 2,596.09

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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.