Home / 5,543.64-7,644.78-4,703.40

Finding the Fourth Proportional to 5,543.64, 7,644.78 and 4,703.40

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Solution

The fourth proportional to 5,543.64, 7,644.78 and 4,703.40 is: 6,486.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.64 : 7,644.78 = 4,703.40 : x
  2. Step 2: Convert to fraction form
    5,543.64/7,644.78 = 4,703.40/x
  3. Step 3: Cross multiply
    5,543.64x = 7,644.78 × 4,703.40
  4. Step 4: Simplify right side
    5,543.64x = 35,956,458.25
  5. Step 5: Solve for x
    x = 35,956,458.25/5,543.64
  6. Step 6: Final answer
    x = 6,486.07

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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.