Home / 1,888.19-2,605.64-1,048.93

Finding the Fourth Proportional to 1,888.19, 2,605.64 and 1,048.93

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Solution

The fourth proportional to 1,888.19, 2,605.64 and 1,048.93 is: 1,447.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,888.19 : 2,605.64 = 1,048.93 : x
  2. Step 2: Convert to fraction form
    1,888.19/2,605.64 = 1,048.93/x
  3. Step 3: Cross multiply
    1,888.19x = 2,605.64 × 1,048.93
  4. Step 4: Simplify right side
    1,888.19x = 2,733,115.69
  5. Step 5: Solve for x
    x = 2,733,115.69/1,888.19
  6. Step 6: Final answer
    x = 1,447.48

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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.