Home / 5,782.58-8,671.98-1,886.08

Finding the Fourth Proportional to 5,782.58, 8,671.98 and 1,886.08

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Solution

The fourth proportional to 5,782.58, 8,671.98 and 1,886.08 is: 2,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.58 : 8,671.98 = 1,886.08 : x
  2. Step 2: Convert to fraction form
    5,782.58/8,671.98 = 1,886.08/x
  3. Step 3: Cross multiply
    5,782.58x = 8,671.98 × 1,886.08
  4. Step 4: Simplify right side
    5,782.58x = 16,356,048.04
  5. Step 5: Solve for x
    x = 16,356,048.04/5,782.58
  6. Step 6: Final answer
    x = 2,828.50

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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.