Home / 4,878.37-7,314.51-1,590.98

Finding the Fourth Proportional to 4,878.37, 7,314.51 and 1,590.98

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Solution

The fourth proportional to 4,878.37, 7,314.51 and 1,590.98 is: 2,385.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.37 : 7,314.51 = 1,590.98 : x
  2. Step 2: Convert to fraction form
    4,878.37/7,314.51 = 1,590.98/x
  3. Step 3: Cross multiply
    4,878.37x = 7,314.51 × 1,590.98
  4. Step 4: Simplify right side
    4,878.37x = 11,637,263.37
  5. Step 5: Solve for x
    x = 11,637,263.37/4,878.37
  6. Step 6: Final answer
    x = 2,385.48

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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.