Home / 5,043.12-7,580.88-4,682.40

Finding the Fourth Proportional to 5,043.12, 7,580.88 and 4,682.40

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Solution

The fourth proportional to 5,043.12, 7,580.88 and 4,682.40 is: 7,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.12 : 7,580.88 = 4,682.40 : x
  2. Step 2: Convert to fraction form
    5,043.12/7,580.88 = 4,682.40/x
  3. Step 3: Cross multiply
    5,043.12x = 7,580.88 × 4,682.40
  4. Step 4: Simplify right side
    5,043.12x = 35,496,712.51
  5. Step 5: Solve for x
    x = 35,496,712.51/5,043.12
  6. Step 6: Final answer
    x = 7,038.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.