Home / 1,898.98-2,830.37-1,862.53

Finding the Fourth Proportional to 1,898.98, 2,830.37 and 1,862.53

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Solution

The fourth proportional to 1,898.98, 2,830.37 and 1,862.53 is: 2,776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898.98 : 2,830.37 = 1,862.53 : x
  2. Step 2: Convert to fraction form
    1,898.98/2,830.37 = 1,862.53/x
  3. Step 3: Cross multiply
    1,898.98x = 2,830.37 × 1,862.53
  4. Step 4: Simplify right side
    1,898.98x = 5,271,649.04
  5. Step 5: Solve for x
    x = 5,271,649.04/1,898.98
  6. Step 6: Final answer
    x = 2,776.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.