Home / 4,987.44-7,482.48-4,443.40

Finding the Fourth Proportional to 4,987.44, 7,482.48 and 4,443.40

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Solution

The fourth proportional to 4,987.44, 7,482.48 and 4,443.40 is: 6,666.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.44 : 7,482.48 = 4,443.40 : x
  2. Step 2: Convert to fraction form
    4,987.44/7,482.48 = 4,443.40/x
  3. Step 3: Cross multiply
    4,987.44x = 7,482.48 × 4,443.40
  4. Step 4: Simplify right side
    4,987.44x = 33,247,651.63
  5. Step 5: Solve for x
    x = 33,247,651.63/4,987.44
  6. Step 6: Final answer
    x = 6,666.28

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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.